//
//  WLStatusCell.swift
//  WLWeibo
//
//  Created by Devil on 16/8/13.
//  Copyright © 2016年 Wiliam. All rights reserved.
//

import UIKit
import SnapKit
class WLStatusCell: UITableViewCell {
    //底部视图的顶部约束
    var bottomViewTopConstraint: Constraint?
    //定义一个ViewModel  供外界使用
    var statusViewModel:WLStatusViewModel?{
    
        didSet{
            //原创微博
            originalView.statusViewModel = statusViewModel
            //转发微博
//            卸载约束
            bottomViewTopConstraint?.uninstall()
            //没有转发微博
            if statusViewModel?.statusModel?.retweeted_status == nil {
                bottomView.snp_updateConstraints(closure: { (make) in
                    bottomViewTopConstraint = make.top.equalTo(originalView.snp_bottom).constraint
                })
                //隐藏转发微博
                retweetView.hidden = true
            }else{
                //有转发微博
                //赋值
                retweetView.statusViewModel = statusViewModel
                bottomView.snp_updateConstraints(closure: { (make) in
                    bottomViewTopConstraint = make.top.equalTo(retweetView.snp_bottom).constraint
                })
                //显示转发微博
                retweetView.hidden = false
            }
            //底部视图赋值
            bottomView.statusViewModel = statusViewModel
        }
    }
    
    override init(style: UITableViewCellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupUI()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    //设置视图
    private func setupUI(){
    
        backgroundColor = RGB(237, green: 237, blue: 237)
        //添加控件
        contentView.addSubview(originalView)
        contentView.addSubview(retweetView)
        contentView.addSubview(bottomView)
        //添加约束
        originalView.snp_makeConstraints { (make) in
            make.leading.top.trailing.equalTo(contentView)
            make.top.equalTo(8)
        }
        
        retweetView.snp_makeConstraints { (make) in
            make.leading.trailing.equalTo(contentView)
            make.top.equalTo(originalView.snp_bottom)
//            make.height.equalTo(35)
        }
        bottomView.snp_makeConstraints { (make) in
            bottomViewTopConstraint = make.top.equalTo(retweetView.snp_bottom).constraint
            make.leading.trailing.equalTo(contentView)
            make.height.equalTo(35)
        }
        contentView.snp_makeConstraints { (make) in
            make.leading.top.trailing.equalTo(self)
            make.bottom.equalTo(bottomView)
        }
        
        
    
    }
    //懒加载
    //原创微博
    private lazy var originalView: WLstatusOriginalView = WLstatusOriginalView()
    //转发微博
    private lazy var retweetView: WLStatusRetweetView = WLStatusRetweetView()
    //底部视图
    private lazy var bottomView: WLstatusBottomView = WLstatusBottomView()

}
